(19)

(11)

EP 4 568 559 A1

(12)

(43) Date of publication: 18.06.2025 Bulletin 2025/25 (21) Application number: 23754868.0 (22) Date of filing: 31.07.2023

(51) International Patent Classification (IPC):  A61B 3/00(2006.01) A61B 90/50(2016.01) (52) Cooperative Patent Classification (CPC): A61B 3/0041; A61B 90/50; A61B 2090/571; A61B 2090/502; A61B 2090/508 (86) International application number: PCT/IB2023/057770 (87) International publication number: WO 2024/033747 (15.02.2024 Gazette 2024/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 08.08.2022 US 202263396068 P (71) Applicant: Alcon Inc. 1701 Fribourg (CH)	(72) Inventor: ALLEN, Douglas Goleta, California 93117 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)